Forward - Nezumi and Shion - No 6

Shion propped himself up and started drawing images on Nezumi's chest 'Do you still want to do it?' Nezumi laughed at Shion's question 'You're going to regret asking me that'

What happened after No. 6's Nezumi and Shion parted?

I do not own either Nezumi or Shion as characters, nor No. 6 as setting. Credits go to the original writer.